203420243130212 has 24 divisors (see below), whose sum is σ = 356036030313600. Its totient is φ = 101695663704096.

The previous prime is 203420243130119. The next prime is 203420243130229. The reversal of 203420243130212 is 212031342024302.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2113211339 + ... + 2113307597.

It is an arithmetic number, because the mean of its divisors is an integer number (14834834596400).

Almost surely, 2^{203420243130212} is an apocalyptic number.

It is an amenable number.

203420243130212 is a deficient number, since it is larger than the sum of its proper divisors (152615787183388).

203420243130212 is a wasteful number, since it uses less digits than its factorization.

203420243130212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165875 (or 165873 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 203420243130212 its reverse (212031342024302), we get a palindrome (415451585154514).

The spelling of 203420243130212 in words is "two hundred three trillion, four hundred twenty billion, two hundred forty-three million, one hundred thirty thousand, two hundred twelve".